156
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
“Boiler” Group
Coding Level 2
Coding
Coding in the factory set condition
Possible change
“Single boiler and multi boiler system”
01:2
Multi-boiler system with Viessmann-cascade
or LON-cascade.
01:1
Do not adjust!
01:3
Do not adjust!
“Consecutive boiler number in multi boiler systems”
07:1
Consecutive boiler section number in multi
boiler systems.
07:2
to
07:8
Adjustable from 1 to 8
7:1 Lead boiler section
7:2-8 Lag boiler sections
“Therm Control”
Od:0
Without
Od:1
Do not adjust!
Od:2
Do not adjust!
“Flue gas temperature sensor”
1f:0
Do not adjust!
“Service interval”
21:0
No service interval (hours run) selected.
21:1
to
21:100
The number of hours run before the burner
should be serviced is adjustable from
100 to 10000 h;
1 step 100 h
“Interval for service”
23:0
No interval for service.
23:1
to
23:24
Interval adjustable from 1 to 24 months.
”Service” display”
24:0
No “Service” display.
24:1
“Service” display.
The address is automatically set and must
be manually reset after a service has been
carried out.
“Maximum preheating time of isolation valve”
2b:5
Preheating time 5 min.
2b:1
to
2b:60
Maximum preheating time of isolation valve,
adjustable from 1 to 60 min.
“Maximum shutdown delay of isolation valve”
2c:5
Shutdown delay 5 min.
2c:1
to
2c:60
Maximum shutdown delay of isolation valve,
adjustable from 1 to 60 min.
“Cascade” Group
Coding
Coding in the factory set condition
Possible change
“Number of boilers connected to the cascade”
35:2 or 3
Boiler sections
Factory set condition:
CA3 2.5/3.0/3.5/4.0: 2
CA3 5.0/5.0: 3
35:1
to
35:8
1 to 8 sections connected to the lead control
